Alert archive / Georgia / Flash Flood Warnings in 2018

Flash Flood Warning 49, NWS Atlanta, GA

December 2, 2018Dodge County, Pulaski County, Wilcox County, Georgia

NWS Atlanta, GA issued this flash flood warning at Dec 2, 2018, 2:26 AM EST for Dodge County, Pulaski County, Wilcox County, Georgia. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Dec 2, 2018, 2:26 AM EST (07:26 UTC)
Expired
Dec 2, 2018, 8:30 AM EST
In force
6 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Dodge County, GA, Pulaski County, GA, Wilcox County, GA

The radar

The Robins AFB radar (KJGX), 78 km from the middle of the area, began a volume at 07:28 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 7.4 hours before the alert went out and 189 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 00:00Z on 2018-12-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 32 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2018-12-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 374 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
32 J/kg
Mixed-layer CIN
-112 J/kg
Mixed-layer LCL
470 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
374 m²/s²
0-3 km storm-relative helicity
380 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

937 
WGUS52 KFFC 020726
FFWFFC
GAC091-235-315-021330-
/O.NEW.KFFC.FF.W.0049.181202T0726Z-181202T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
226 AM EST SUN DEC 2 2018

The National Weather Service in Peachtree City has issued a

* Flash Flood Warning for...
  Dodge County in central Georgia...
  Southern Pulaski County in central Georgia...
  Wilcox County in central Georgia...

* Until 830 AM EST Sunday.

* At 225 AM EST, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Up to two inches of rain have 
  already fallen. Flash flooding is expected to begin shortly.

Additional rainfall amounts of 1 to 2 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 3185 8361 3199 8361 3213 8360 3233 8310
      3211 8297 3190 8321 3189 8320 3186 8324
      3185 8332

$$

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 1, 7:54 PM ESTSpecial Weather StatementFFCWheeler36 min
Dec 1, 10:48 PM ESTSpecial Weather StatementFFCSumter27 min
Dec 1, 11:17 PM ESTSpecial Weather StatementFFCDooly28 min
Dec 1, 11:38 PM ESTSpecial Weather StatementFFCCrisp, Wilcox52 min
Dec 2, 12:35 AM ESTFlash Flood WarningFFCCrisp, Dooly, Sumter6 hr
Dec 2, 12:37 AM ESTFlash Flood WatchFFCCrisp, Dodge, Dooly, Emanuel, Laurens, Montgomery and 8 more15 hr
Dec 2, 1:08 AM ESTRiver Flood WarningFFCGwinnett6 hr
Dec 2, 1:52 AM ESTSpecial Weather StatementFFCWilcox38 min
Dec 2, 3:05 AM ESTSpecial Weather StatementFFCDodge25 min
Dec 2, 4:00 AM ESTSpecial Weather StatementFFCDodge30 min
Dec 2, 4:32 AM ESTSpecial Weather StatementFFCMontgomery, Wheeler28 min
Dec 2, 4:50 AM ESTSpecial Weather StatementFFCCrisp25 min
Dec 2, 5:00 AM ESTSpecial Weather StatementFFCMontgomery, Toombs30 min
Dec 2, 5:04 AM ESTSpecial Weather StatementFFCGlascock11 min
Dec 2, 5:14 AM ESTSpecial Weather StatementFFCCandler16 min
Dec 2, 5:29 AM ESTSpecial Weather StatementFFCToombs31 min
Dec 2, 5:55 AM ESTAreal Flood WarningFFCCrisp, Dodge, Dooly, Pulaski, Wilcox6 hr
Dec 2, 6:22 AM ESTSpecial Weather StatementFFCTelfair23 min
Dec 2, 6:30 AM ESTSpecial Weather StatementFFCStewart, Webster30 min
Dec 2, 6:35 AM ESTSevere Thunderstorm WarningFFCStewart, Webster25 min
Dec 2, 6:38 AM ESTSpecial Weather StatementFFCTwiggs37 min
Dec 2, 7:05 AM ESTSpecial Weather StatementFFCWilkinson25 min
Dec 2, 7:08 AM ESTSpecial Weather StatementFFCToombs37 min
Dec 2, 7:31 AM ESTSevere Thunderstorm WarningFFCGlascock, Jefferson, Johnson, Warren, Washington44 min
Dec 2, 7:57 AM ESTRiver Flood WarningFFCGwinnett94 min
Dec 2, 10:34 AM ESTSpecial Weather StatementFFCTelfair, Wheeler41 min
Dec 2, 11:14 AM ESTSpecial Weather StatementFFCDooly, Pulaski46 min
Dec 2, 11:51 AM ESTSpecial Weather StatementFFCToombs24 min
Dec 2, 11:59 AM ESTAreal Flood WarningFFCCrisp12 hr

Nearby

Flash Flood Warnings in Georgia, 2018Every flash flood warning in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.